Hi! can you solve this ASAP

Arrivals and Queues An amusement park ride has two lines, one for regular customers, and a fast lane for customers who had paid a premium. . Fast lane customers are seated first 0 that are seated in a dedicated section 0 that section takes up 1/3 of the total seats for the ride 0 After the fast lane customers are seated, the regular customers are then allowed on the ride 0 Regular customers are allowed in fast lane seats if there are no fast lane customers to take them. The ride itself lasts 4 minutes and takes 2 minutes to offload the riders. The ride holds 30 riders